There's sort of a magic boundary line. Something has its moment, and then it's gone; it becomes thrift-store trash. But then, once enough time has passed, people say: 'Oh, yeah! I remember those.' It used to take about 20 years, but everything is so sped up now that our sense of nostalgia has been sped up, too, so it doesn't take as long -- I'd say about 10 years.